Patents by Inventor Thomas Schuster
Thomas Schuster has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250223258Abstract: The present invention relates to a method for preparing an oligobutyl benzene sulfonate comprising the steps of oligomerization of a butene mix comprising 1-butene and 2-butene to produce an alkene blend which comprises oligobutenes with a molecular weight of 220 to 2000 g/mol, alkylation of benzene with the alkene blend to produce an oligobutyl benzene, sulfonation of the oligobutyl benzene to produce a oligobutyl benzene sulfonic acid, and neutralizing the oligobutyl benzene sulfonic acid to produce the oligobutyl benzene sulfonate. The invention also relates to the oligobutyl benzene sulfonate obtainable by the method; to the oligobutyl benzene sulfonic acid obtainable by the method; to the oligobutyl benzene obtainable by the method; to the lubricant comprising the oligobutyl benzene sulfonate; to a fuel comprising the oligobutyl benzene sulfonate; and to a use of the oligobutyl benzene sulfonate as lubricant additive or fuel additive.Type: ApplicationFiled: June 13, 2023Publication date: July 10, 2025Inventors: Maxim PERETOLCHIN, Rene KOSCHABEK, Thomas SCHUSTER
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Patent number: 12275537Abstract: A structural part for lightning strike protection, preferably of an aircraft includes a first structure element, wherein the first structure element includes a conducting material and is adapted to conduct electric currents into a grounded conducting airframe structure, and a second structure element, wherein the second structure element includes an outer layer with a first surface, wherein the outer layer includes a composite, preferably carbon-fibre reinforced plastic, CFRP or glass-fibre reinforced plastic GFRP. The structural part further includes a first elongated, preferably wedge-shaped, electrical conductor, with a first end and a second end, wherein the first end of the first elongated electrical conductor is connected to the first structure element and extends through the second structure element to the first surface, so that the second end of the first elongated electrical conductor serves as a lightning receptor without impairing the radar cross section of the aircraft.Type: GrantFiled: October 6, 2022Date of Patent: April 15, 2025Assignee: Airbus Defence and Space GmbHInventors: Christian Karch, Kay Dittrich, Matthias Bleckmann, Thomas Schuster
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Patent number: 12255035Abstract: An on-load tap changer is for uninterrupted diverter switch operation. The on-load tap changer includes: a first module having a first module shaft; and a second module having a second module shaft. The first module shaft is configured to actuate the first module. The second module shaft is configured to actuate the second module. The first module shaft and the second module shaft are mechanically coupled to one another in such a way that the first module shaft is configured to drive the second module shaft and the second module is configured to be actuated with a time delay with respect to the first module.Type: GrantFiled: September 14, 2020Date of Patent: March 18, 2025Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Thomas Schuster, Georg Kellendorfer
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Publication number: 20250067095Abstract: A handle and/or locking device for a sliding door of recreational vehicles, in particular a motorhome or caravan, with a grip recess, an actuating element and a mounting plate, wherein the mounting plate is connected to the handle shell in a fixed position relative to the handle shell, wherein the actuating element is pivotably mounted between the handle shell and the mounting plate, and wherein the handle shell has a recess which allows actuation of the actuating element. Furthermore, a sliding door and a recreational vehicle are specified.Type: ApplicationFiled: August 23, 2024Publication date: February 27, 2025Applicant: Thor Tech, Inc.Inventors: Erik Plischke, Thomas Schuster, Marius Schöll
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Publication number: 20250065811Abstract: A connecting element for pieces of furniture of recreational vehicles, in particular motorhomes or caravans, comprising a main body which comprises an at least approximately L-shaped part having a first leg and a second leg, wherein on the first leg an outwardly directed tongue strip is provided, at which fastening of the main body to a profile is enabled, and wherein on the second leg at least one fastening point is provided, at which fastening of the main body to a panel is enabled. Furthermore, a piece of furniture, a recreational vehicle, and a method are specified.Type: ApplicationFiled: August 23, 2024Publication date: February 27, 2025Applicant: Thor Tech, Inc.Inventors: Erik Plischke, Thomas Schuster, Marius Schöll
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Publication number: 20250067108Abstract: A spring element for sliding doors of recreational vehicles, in particular mobile homes or caravans, having a base body on which a strip and a spring arm are formed, wherein the spring arm is at least approximately adjustable about the axis of rotation which is stationary relative to the strip. Furthermore, a sliding door and a recreational vehicle are specified.Type: ApplicationFiled: August 23, 2024Publication date: February 27, 2025Applicant: Thor Tech, Inc.Inventors: Erik Plischke, Thomas Schuster, Marius Schöll
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Patent number: 12087537Abstract: An on-load tap changer uninterruptedly switches between winding taps of a tap-changing transformer. The on-load tap changer includes: at least one selector configured to preselect, in a powerless manner, a selected winding tap of the winding taps; at least one diverter switch configured to actually switch loads from a previous winding tap to a preselected winding tap of the winding taps; at least one toothed gearing comprising a first gearwheel and a second gearwheel, the first gearwheel being assigned to the selector, and the second gearwheel being assigned to the diverter switch; and a drive shaft, which is configured to be actuated by a motor drive. The first gearwheel and the second gearwheel are directly interconnected mechanically in such a way that the first gearwheel and the second gearwheel are simultaneously actuatable. The drive shaft is configured to drive either the first gearwheel or the second gearwheel.Type: GrantFiled: September 17, 2020Date of Patent: September 10, 2024Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Thomas Schuster, Andreas Raith, Georg Kellendorfer
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Publication number: 20240154546Abstract: In a method for operating a drive system having a plurality of inverters, a respective electric motor is fed from the AC-side terminal of the respective inverter, the DC-side terminals of the respective inverters are connected in parallel with one another and this parallel connection is connected to the DC-side terminal of a rectifier, each inverter has semiconductor switches driven according to a respective pulse width modulation, the inverters are arranged as bus subscribers of a data bus to which a module designed as master is also connected, and the master assigns the bus addresses to the inverters and thereafter to each inverter the polarity of its pulse width modulation.Type: ApplicationFiled: February 7, 2022Publication date: May 9, 2024Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Thomas SCHUSTER, Manuel FUCHS
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Patent number: 11945314Abstract: A method for operating a drive train includes supplying a motor voltage to an electric motor by a converter for achieving a torque setpoint value, determining an angular velocity actual value and an angular acceleration actual value from values of the angular position of the rotor, determining the torque setpoint value from a moment of inertia and an angular acceleration setpoint value, which is determined as an actuation variable, determining the moment of inertia as the sum of the moment of inertia of the drive train without a load and the moment of inertia of the load, and determining the moment of inertia of the load from a torque actual value and from the angular acceleration actual value.Type: GrantFiled: November 28, 2019Date of Patent: April 2, 2024Assignee: SEW-EURODRIVE GMBH & CO. KGInventor: Thomas Schuster
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Patent number: 11798752Abstract: A selector can be used in an on-load tap changer. The selector includes: a tap selector comprising at least one selector arm; and a change-over selector. The change-over selector is configured to be actuated via at least one of the selector arms of the tap selector.Type: GrantFiled: September 24, 2020Date of Patent: October 24, 2023Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Thomas Schuster, Georg Kellendorfer, Andreas Raith
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Patent number: 11695362Abstract: In a method for monitoring the operation of an electric motor and a lifting mechanism, the motor current is acquired, and the electric motor has, for example, an electromagnetically actuable brake, e.g., a holding brake. In the method, a pre-magnetization is performed when the electric motor is switched on, the characteristic of the acquired values of the motor current is monitored for an exceeding of a permissible measure of deviation from a setpoint characteristic, and a brake of the electric motor is activated, e.g., remains applied.Type: GrantFiled: September 12, 2019Date of Patent: July 4, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Thomas Schuster, Robert Becker
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Publication number: 20230150689Abstract: A structural part for lightning strike protection, preferably of an aircraft includes a first structure element, wherein the first structure element includes a conducting material and is adapted to conduct electric currents into a grounded conducting airframe structure, and a second structure element, wherein the second structure element includes an outer layer with a first surface, wherein the outer layer includes a composite, preferably carbon-fibre reinforced plastic, CFRP or glass-fibre reinforced plastic GFRP. The structural part further includes a first elongated, preferably wedge-shaped, electrical conductor, with a first end and a second end, wherein the first end of the first elongated electrical conductor is connected to the first structure element and extends through the second structure element to the first surface, so that the second end of the first elongated electrical conductor serves as a lightning receptor without impairing the radar cross section of the aircraft.Type: ApplicationFiled: October 6, 2022Publication date: May 18, 2023Applicant: Airbus Defence and Space GmbHInventors: Christian Karch, Kay Dittrich, Matthias Bleckmann, Thomas Schuster
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Publication number: 20220415587Abstract: An on-load tap changer is for uninterrupted diverter switch operation. The on-load tap changer includes: a first module having a first module shaft; and a second module having a second module shaft. The first module shaft is configured to actuate the first module. The second module shaft is configured to actuate the second module. The first module shaft and the second module shaft are mechanically coupled to one another in such a way that the first module shaft is configured to drive the second module shaft and the second module is configured to be actuated with a time delay with respect to the first module.Type: ApplicationFiled: September 14, 2020Publication date: December 29, 2022Inventors: Thomas Schuster, Georg Kellendorfer
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Publication number: 20220406534Abstract: An on-load tap changer uninterruptedly switches between winding taps of a tap-changing transformer. The on-load tap changer includes: at least one selector configured to preselect, in a powerless manner, a selected winding tap of the winding taps; at least one diverter switch configured to actually switch loads from a previous winding tap to a preselected winding tap of the winding taps; at least one toothed gearing comprising a first gearwheel and a second gearwheel, the first gearwheel being assigned to the selector, and the second gearwheel being assigned to the diverter switch; and a drive shaft, which is configured to be actuated by a motor drive. The first gearwheel and the second gearwheel are directly interconnected mechanically in such a way that the first gearwheel and the second gearwheel are simultaneously actuatable. The drive shaft is configured to drive either the first gearwheel or the second gearwheel.Type: ApplicationFiled: September 17, 2020Publication date: December 22, 2022Inventors: Thomas Schuster, Andreas Raith, Georg Kellendorfer
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Publication number: 20220392716Abstract: A selector (1) for an on-load tap changer, comprising a tap selector (2) with at least one selector arm (21, 22); a change-over selector (4), characterized in that the change-over selector (4) is actuated via at least one of the selector arms (21, 22) of the tap selector (2).Type: ApplicationFiled: September 24, 2020Publication date: December 8, 2022Inventors: Thomas Schuster, Georg Kellendorfer, Andreas Raith
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Publication number: 20220016983Abstract: A method for operating a drive train includes supplying a motor voltage to an electric motor by a converter for achieving a torque setpoint value, determining an angular velocity actual value and an angular acceleration actual value from values of the angular position of the rotor, determining the torque setpoint value from a moment of inertia and an angular acceleration setpoint value, which is determined as an actuation variable, determining the moment of inertia as the sum of the moment of inertia of the drive train without a load and the moment of inertia of the load, and determining the moment of inertia of the load from a torque actual value and from the angular acceleration actual value.Type: ApplicationFiled: November 28, 2019Publication date: January 20, 2022Applicant: SEW-EURODRIVE GMBH & CO. KGInventor: Thomas SCHUSTER
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Publication number: 20210399666Abstract: In a method for monitoring the operation of an electric motor and a lifting mechanism, the motor current is acquired, and the electric motor has, for example, an electromagnetically actuable brake, e.g., a holding brake. In the method, a pre-magnetization is performed when the electric motor is switched on, the characteristic of the acquired values of the motor current is monitored for an exceeding of a permissible measure of deviation from a setpoint characteristic, and a brake of the electric motor is activated, e.g., remains applied.Type: ApplicationFiled: September 12, 2019Publication date: December 23, 2021Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Thomas SCHUSTER, Robert BECKER
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Publication number: 20210044235Abstract: A method for determining an angular position of a rotor of a synchronous motor, having a stator winding fed by a three-phase voltage set by an inverter, includes: supplying a control signal to the inverter to set the three-phase voltage fed to the motor as a stator voltage to control a motor current, acquired by a current-acquisition device, to a setpoint stator current; determining a stator flux from a time characteristic of the stator voltage and an acquired value of the stator current; and determining the angular position of the rotor from the stator flux and a flux-value dependence as a function of the stator current.Type: ApplicationFiled: October 27, 2020Publication date: February 11, 2021Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Christian HECKER, Thomas SCHUSTER
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Patent number: 10819263Abstract: In a method for determining the angular position of the rotor of a synchronous motor fed by an inverter, the inverter is actuated by a signal electronics including a control unit, in particular having a processing unit and a memory, the stator current in particular is acquired with the aid of at least one current-acquisition device, the synchronous motor having a stator winding, which is fed by a three-phase voltage, i.e. stator voltage, which is set by the inverter such that the acquired stator current is controlled to a predefined setpoint stator current by the control unit, a setpoint stator current with a first actuation angle relative to the stator winding is predefined, in particular in the d-direction, the stator flux is determined from the time characteristic of the stator voltage and the acquired values of the stator current, and an angle value, in particular the angular position, is determined from the determined stator flux and a flux-value dependence as a function of a stator current.Type: GrantFiled: November 14, 2017Date of Patent: October 27, 2020Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Christian Hecker, Thomas Schuster
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Publication number: 20190319564Abstract: In a method for determining the angular position of the rotor of a synchronous motor fed by an inverter, the inverter is actuated by a signal electronics including a control unit, in particular having a processing unit and a memory, the stator current in particular is acquired with the aid of at least one current-acquisition device, the synchronous motor having a stator winding, which is fed by a three-phase voltage, i.e. stator voltage, which is set by the inverter such that the acquired stator current is controlled to a predefined setpoint stator current by the control unit, a setpoint stator current with a first actuation angle relative to the stator winding is predefined, in particular in the d-direction, the stator flux is determined from the time characteristic of the stator voltage and the acquired values of the stator current, and an angle value, in particular the angular position, is determined from the determined stator flux and a flux-value dependence as a function of a stator current.Type: ApplicationFiled: November 14, 2017Publication date: October 17, 2019Inventors: Christian HECKER, Thomas SCHUSTER